Feed mechanism for box-shuck machines.



F. SCHAFER.

FEED MECHANISM FOR BOX SHUCK MACHINES. APPLICATION FILED MAY 4.1914.

1 ,QSQEB 1 2. Pfitenred Nov. 7, 1916.

4SHEETS-SHEET1.

WITNESSES IIVVE/VTOH' F. SCHAFER.

FEED MECHANISM FOR BOX SHUCK MACHINES.

APPLICATION FILED MAY 4.1914.

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4 SHEETS- SHEET 2.

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Patented Nov. 7, 1916.

F; SCHAFER.

FEED MECHANISM FOR BOX SHUCK MACHINES.

APPLICATION FILED MAY 4, 1914.

Patenwd Nov. 7, 1916.

4SHEETSSHEET 3 WITNESSES F. SCHAFER.

I FEED MECHANISM FOR BOX SHUCK MACHINES.

APPLICATION FILED MAY 4, I914.

Patented Nov. 7, 1916.

4 SHEETS-SHEET 4 WITNESSES:

W73 ff FRANK scrrAFuR, OFBARBEB'TON, OHIO, ASSIGNOR TO THE DIAMOND MATCH COMPANY, or CHICAGO, ILLINOIS, A CORPORATION or ILLINOIS.

FEED MECHANISM FOR BOX-SHU CKMACHINES.

Application fi1ed May 4, 1914. Serial No. 836,108.

To all whom it may concern; 7

Be; it known' that I, FRANK SCHAFER, a: citizen of the United States, and resident of Barberton, in the county of Summit and State of Ohio, have invented certainnew and useful Improvements in Feed Mechanism-for Box-Shuck Machines and the like, ofwhich the followingis a specification.

This invention relates to improvements in mechanism for feeding paper, card-board, or similar material, to box-making and analogous machines; such improvements being especially though not exclusively designed for u-se in' connection with boX-shuclr making machines, such, for example, as illus' trated in'Letters' Patent of the United States No. 795,949, dated August 1, 1905.

The object of my invention is to provide a mechanism of the character mentioned of simple" and efiicient construction and operation whereby. sections or blanks,.of prede termined length, are severedfrom a .main strip of material, and such sections orblanks then=positively fed edgewise in a path at rightanglesto that'of-thestrip and delivered to the box-forming or other instrumentalities.

My invention consists, primarily, in means for intermittently feeding a strip of-mate rial, as taken from a roll, to and across the path ofa suitable cutter by' means of which successivelengths or sections 1 are severed from :the leading end of thestrip and means for engaging the successive lengths or sections as rapidly as they are severed, and

' positively'feeding themedgewise' ina path at right angles tothat= ofthe strip.

The invention also comprises various-features' of construction and combinations of parts-which willbe hereinafter fully de scribed and claimed;

In *the drawings Figu-re 1 I is 5 an end elevation of a feeding mechanism embodying preferred form of my invention, the mechanism beingrepresented 'asapplied to a boxsh uck making machine: Fig. 2 is a plan of Fig! 1. Fig; 3 is a side elevationof thesfeedingrmechanism, and adjuncts.- Fig... is a longitudinal vertical'seetion, as onwthe line 4'+-4=: o=f=I ig-.: 2. Fig; 5' is" a diagrammatic View of the pusher devices-wfor feeding" the severed section-or blank to the delivery-roll era-of:-tlfe shuclemachine; In this view? the pusher ahea'cl is: represented as: about) I to en Specification of Letters Patent.

Patented Nov. '2, 1916.

gage and advance the blank, the path of movement of saidhead being indicated in dotted outline. Fig. 6- is a similar view showing the parts in relative positions whlch they occupy during the return movement of the pusher head. Fig. 7 is a diagrammatic-view ofthe device for actuating the feed-rollers for the body of the material, the elements of the device being shown in looking relation to each other. Fig. 8 is a slmilar view showing the elements in the relative positions which they occupy while actuating the feed-rollers. l0 designates a supporting frame includingla bed or table 11. In thelower part of the frame a roll 12 of card-boarcL-or other suitable material, is mounted to rotate. This material is preferably drawn between tension rollers 13 supported in bearings 14: on the frame, and thence under a feed roller 15 on a-suitablyfdriven shaft 16. A friction roller 17 carried by a weighted lever 18 maintains the material in contact with the feed-roller, and the latter in its rotation draws the material at a predetermined speed from theroll and supplies it to a pair of feed rollers 19 arranged above the table. A curvedp'late 20 for supporting the material as it passes to the feed-rollers 19 is preferably affixed to parallel standards 21 on the table. The shafts 22 of these rollers are mounted in boxes in said standards, theupper boxes being slidingly fitted to vertical guides 23in the standards and being therein depressed by suitably-disposed springs 24 so as to maintain the upper roller in yield ing'gripping relation to its companion. The roller shafts 22 ar'e'equipped with co-acting gear wheels 25 which are intermittently rotated and positively locked duringflthe intervals of rest in such a manner that the rollers feed successive lengths of the material horizontally to and across the path of a vertically-reciprocating cutter 26 whereby definite lengths or sections of the material are severed, as will be hereinafter described. 27 designates a driving shaft which has its bearings 1 in suitably-disposed brackets on the table; Fast on this shaft is a sprocket wheel 28 about which passes a chain 29 actuated from a, suitablesource of power. The shaft 27 bears a bevel wheel 30 in mesh with a similar wheel 31 on a shaft 32 having its bearings in 1 extensions of the standards,

which latter shaft is provided atone end with a gear wheel 33 in mesh with a similar wheel 34 on a lower stud shaft 35. This stud shaft has fast thereon a sprocket Wheel 36 which is connected by means of a chain 38 with a sprocket wheel 37 on the roller shaft 16 above referred to. 16 and its roller 15 are continuously driven in a manner to supply the material to the feed rollers 19.

Although any suitable means may be employed to actuate and temporarily lock thefeed-rollers 19, I have devised and prefer to use for this purpose what may be termed a modified Geneva stop motion of the following character, reference being had to Figs. 1, 2; 7 and 8 of the drawmgs: 39

' from the standard 21. This wheel 42 meshes with a pinion 44 on the adjacent outer end of the driven shaft 32, and hence continuous rotary motion is transmitted to the spur wheel 42;

On the inner face of the spur wheel 42 i are three projecting tappets 45 comprising studs or rollers which are equally spaced apart at points equidistant from the center of the wheel 42, the spaced relation of the tappets to each other and to the radial channels of the wheel 39 being such that the tappets enter the channels in successive order, move along the same toward the center of the wheel and then recede therefrom, and that as the actii e tappet in a receding motion approaches the mouth of the channel with which it is engaged the succeeding tappet enters the mouth of the next fol: lowing channel, and so on.

The curvature of the outer ends of the channels is such thatwhen the wheels 39 and 42 are in the relative positions represented in Figs. 1 and 7 the inner walls of the mouths of the two lower channels are concentric to the wheel 42, that is, such walls comprise corresponding arcs described from the center of that wheel. Hence when both tappets engage and move in the proximate arcuated portions of the channels no motion is transmitted from the continuously rotating wheel 42 to the wheel 39, but'on the contrary the latter is temporarily locked against rotation; yet the instant the rearward tappet escapes the mouth of. the pro Thus the shaft with and rides upon the opposing radial wall of its channel, progressively entering the latter, as seen in Fig. 8, and then recede ing therefrom. The three tappets during mate channel the leading tappet contacts their continuous rotation thus act in suc vcessive order upon the walls of the radial channels to impel and lock the wheel-39; the I ing timely effected and maintained during the periodical actions of the cutter on the material and the removal of the successively severed sections, as will be presently ex plained.

Themechanical movement just described i is simple in construction and smooth and positive n its operatlon. "Owmg'to the relation of the tappets'on the drivingelement to the channels on the drivenelement where-- I I by two tappets co-act with the arcuated portions of two channels during the intervals of rest, not only is an efiective locking of the driven element insured but the abrupt starting impact inherent in an ordinary Geneva stop motion, is avoided.

The cutter preferably comprises a blade vertically-reciprocable through a suitablydisposed slot in a horizontal shelf 46 upon which the leading "endof the material is supported, said shelf being provided with a suitable guide-way 47 in communication with a guide-way which extends attright angles to the path of the advancing material and comprises the shelf and spaced parallel bars 48 thereon. .The blade is ar ranged to reciprocate at the junction of the two guides. It is bolted to a vertically reciprocating cross-head 49 which is mounted in guides 50 on the standards. This head'is provided on one side with a stud or roller '51 which enters the race of a cam 52 fast on the driving shaft 27 The contour of the race or groove of thiscam is such that the cutter head is actuated during I the idle intervals of the feed rollers 19. 7

As each section (S, Figs. 2 and 5) is-severed from the material such section lies in.

front of a reciprocative pusher head 53 and is thereby moved through the forwardlyextending guide into engagement with delivery rollers 54, or other conveying means, which are associated with. appropriate mechanism for converting the section or blank F ferentialscorers 55 for the successiveblanks.

The pusher head herein shown is so constructed, supported and operated that in one stroke thereof it impinges against the outer edge of the severed sectioniofthe material and pushes it bodily forward to the bite of the delivery rollers 54, that is, in a path at right angles to that of the main body of the 7 and from suitably disposed slots 57 in the guide structure. (See Fig. i.) The bar is secured to the upper or free end-of one member 58 of an angular feed-frame, the lower or basal end of the other member 59 of which is provided with two oppositely extending arms '60, 61. One (60) of these arms has a wrist-pin connection with a crank-disk 62 on a shaft 63 having its bearings in a bracket 6d extending from the table, and the other arm (61) is pivotally connected to a rocker-arm 65 which is pivoted to brackets 66 on the table. On the shaft 63.is a sprocket wheel 67 which is geared with a. similar wheel 68 on the drive shaft 27 by means of a chain 69. By the construction and arrangement just described the crank-disk 62 is continuously driven, the pivotal connection of the arm60 of the angular feed-frame with the disk is rotated'about the axis of the latter, and the other arm 61 of the frame is pivotally supported and caused to travel by the rocker arm 65 in an are described from the axis of oscillation of said arm 65, the resultant of these motions as translated to the free end of the frame and its pusher head being the movement defined by the dotted lines in Fig. 5. V r

The mechanical movement just described is simple in construction and smooth and positive in itsoperation; Thereby is avoided the use of a multiplicity of cam and gear connections to accomplish the described compound motion of the pusher head.

The hereinbefore described mechanical movements for actuating the feed rollers and the pusher-head respectively, form the subjects of'sepa'rate applications for patents filed May 4, 1914 under Serial Nos. 836,109 and 836,110, respectively.

I claim 1. In mechanism of the character described, the combination. of means for feeding a strip of material, means for severing succeeding lengths or sections from said strip, and means for directly feeding said lengths or sections edgewise in a path at right angles to that of the strip immediately succeeding the severance of the strip, said last-named means including a reciprocating pusher head the forward and backward strokes of which are through difierent paths.

2. In mechanism of the character described, the combination of rollers for feeding a strip of material, means for intermittently actuating said rollers, cutter mechanism intersecting the path of the material and adapted to sever succeeding lengths therefrom, a reciprocating pusher head, and means for directly moving the same forward to advance each severed length in a horizontal path at right angles to that of the strip immediately succeeding the severance of the strip and then for returning said head in a different path.

3. In mechanism of the character described, the combination of rollers for feeding astrip of material, means for intermittently actuating said rollers, a guide extending at right angles to and intersecting the path of the strip, said guide having vertical slots extending longitudinally thereof, cutter mechanism adjacent said guide adapted to sever succeeding lengths from the leading end of the strip, a pusher-head for successive lengths movable longitudinally of the guide, said head having depending pins movable relatively to the vertical slots in the guide.

and means for actuating said pusher-head.

Signed at Barberton in the county of Summit and State of Ohio this 29th day of April A. D. 1914.

FRANK SOHAFER Witnesses:

V. A. JOHNSTON, E. A. JACOBS.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of IEatents, Washington, D. C. 

